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Global Patent Index - EP 2441806 A4

EP 2441806 A4 20130605 - PORPHYRAZINE DYE, INK COMPOSITION, RECORDING METHOD, AND COLORED OBJECT

Title (en)

PORPHYRAZINE DYE, INK COMPOSITION, RECORDING METHOD, AND COLORED OBJECT

Title (de)

PORPHYRAZINFARBSTOFF, TINTENZUSAMMENSETZUNG, AUFZEICHNUNGSVERFAHREN UND GEFÄRBTES OBJEKT

Title (fr)

COLORANT PORPHYRAZINE, COMPOSITION D'ENCRE, PROCÉDÉ D'IMPRESSION ET OBJET COLORÉ

Publication

EP 2441806 A4 20130605 (EN)

Application

EP 10786150 A 20100608

Priority

  • JP 2010059664 W 20100608
  • JP 2009141201 A 20090612

Abstract (en)

[origin: EP2441806A1] Provided is a porphyrazine dye suitable for use in ink-jet recording, the porphyrazine dye giving a cyan ink with a satisfactory hue, having various excellent fastness properties, in particular, ozone resistance, and attaining a high color density. Also provided is an ink composition containing the dye. The porphyrazine dye is a porphyrazine dye represented by formula (1) or a salt thereof. In formula (1), rings A to D each independently represents a benzene ring, a nitrogenous heteroaromatic ring, etc.; E represents an alkylene; X represents sulfoanilino, etc.; R represents a hydrogen atom, sulfo, carboxy, etc.; group F represents phenyl, a nitrogenous heteroaromatic ring, etc.; a is an integer of 1-6; b is 0.00-3.90, excluding 3.90, on average; c is 0.10-4.00, excluding 4.00, on average; and the sum of b and c is 1.00-4.00, excluding 4.00, on average.

IPC 8 full level

C09B 47/26 (2006.01); B41J 2/01 (2006.01); B41M 5/00 (2006.01); C09B 67/20 (2006.01); C09B 67/46 (2006.01); C09D 11/00 (2014.01); C09D 11/322 (2014.01); C09D 11/328 (2014.01)

CPC (source: CN EP KR US)

B41J 2/01 (2013.01 - KR); B41M 5/00 (2013.01 - KR); C09B 47/26 (2013.01 - CN EP KR US); C09B 67/0084 (2013.01 - CN EP KR US); C09D 11/328 (2013.01 - CN EP KR US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

EP 2441806 A1 20120418; EP 2441806 A4 20130605; EP 2441806 B1 20170906; CA 2764876 A1 20101216; CA 2764876 C 20171212; CN 102575111 A 20120711; CN 105602279 A 20160525; CN 105602279 B 20180615; JP 5670894 B2 20150218; JP WO2010143619 A1 20121122; KR 101729346 B1 20170421; KR 20120040144 A 20120426; TW 201113336 A 20110416; TW I466955 B 20150101; US 2012081457 A1 20120405; US 8657433 B2 20140225; WO 2010143619 A1 20101216

DOCDB simple family (application)

EP 10786150 A 20100608; CA 2764876 A 20100608; CN 201080035933 A 20100608; CN 201510982875 A 20100608; JP 2010059664 W 20100608; JP 2011518538 A 20100608; KR 20117029359 A 20100608; TW 99118917 A 20100610; US 201013377262 A 20100608